vcs.maemo.org Git - connman/blob - src/network.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2009  Intel Corporation. All rights reserved.
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License version 2 as
   9  *  published by the Free Software Foundation.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <string.h>
  27
  28 #include <gdbus.h>
  29
  30 #include "connman.h"
  31
  32 struct connman_network {
  33         struct connman_element element;
  34         enum connman_network_type type;
  35         enum connman_network_protocol protocol;
  36         connman_bool_t available;
  37         connman_bool_t connected;
  38         connman_bool_t remember;
  39         connman_uint8_t priority;
  40         connman_uint8_t strength;
  41         char *identifier;
  42         char *name;
  43         char *node;
  44
  45         struct connman_network_driver *driver;
  46         void *driver_data;
  47
  48         connman_bool_t registered;
  49
  50         struct connman_device *device;
  51
  52         struct {
  53                 void *ssid;
  54                 int ssid_len;
  55                 char *mode;
  56                 char *security;
  57                 char *passphrase;
  58         } wifi;
  59 };
  60
  61 static const char *type2string(enum connman_network_type type)
  62 {
  63         switch (type) {
  64         case CONNMAN_NETWORK_TYPE_UNKNOWN:
  65         case CONNMAN_NETWORK_TYPE_VENDOR:
  66                 break;
  67         case CONNMAN_NETWORK_TYPE_WIFI:
  68                 return "wifi";
  69         case CONNMAN_NETWORK_TYPE_WIMAX:
  70                 return "wimax";
  71         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
  72         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
  73                 return "bluetooth";
  74         case CONNMAN_NETWORK_TYPE_HSO:
  75                 return "cellular";
  76         }
  77
  78         return NULL;
  79 }
  80
  81 static DBusMessage *get_properties(DBusConnection *conn,
  82                                         DBusMessage *msg, void *data)
  83 {
  84         struct connman_network *network = data;
  85         DBusMessage *reply;
  86         DBusMessageIter array, dict;
  87
  88         DBG("conn %p", conn);
  89
  90         if (__connman_security_check_privilege(msg,
  91                                         CONNMAN_SECURITY_PRIVILEGE_PUBLIC) < 0)
  92                 return __connman_error_permission_denied(msg);
  93
  94         reply = dbus_message_new_method_return(msg);
  95         if (reply == NULL)
  96                 return NULL;
  97
  98         dbus_message_iter_init_append(reply, &array);
  99
 100         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 101                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 102                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 103                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 104
 105         if (network->device) {
 106                 const char *path = connman_device_get_path(network->device);
 107                 if (path != NULL)
 108                         connman_dbus_dict_append_variant(&dict, "Device",
 109                                                 DBUS_TYPE_OBJECT_PATH, &path);
 110         }
 111
 112         if (network->name != NULL)
 113                 connman_dbus_dict_append_variant(&dict, "Name",
 114                                         DBUS_TYPE_STRING, &network->name);
 115
 116         connman_dbus_dict_append_variant(&dict, "Available",
 117                                 DBUS_TYPE_BOOLEAN, &network->available);
 118
 119         connman_dbus_dict_append_variant(&dict, "Connected",
 120                                 DBUS_TYPE_BOOLEAN, &network->connected);
 121
 122         connman_dbus_dict_append_variant(&dict, "Remember",
 123                                 DBUS_TYPE_BOOLEAN, &network->remember);
 124
 125         if (network->priority > 0)
 126                 connman_dbus_dict_append_variant(&dict, "Priority",
 127                                         DBUS_TYPE_BYTE, &network->priority);
 128
 129         if (network->strength > 0)
 130                 connman_dbus_dict_append_variant(&dict, "Strength",
 131                                         DBUS_TYPE_BYTE, &network->strength);
 132
 133         if (network->wifi.ssid != NULL && network->wifi.ssid_len > 0)
 134                 connman_dbus_dict_append_array(&dict, "WiFi.SSID",
 135                                 DBUS_TYPE_BYTE, &network->wifi.ssid,
 136                                                 network->wifi.ssid_len);
 137
 138         if (network->wifi.mode != NULL)
 139                 connman_dbus_dict_append_variant(&dict, "WiFi.Mode",
 140                                 DBUS_TYPE_STRING, &network->wifi.mode);
 141
 142         if (network->wifi.security != NULL)
 143                 connman_dbus_dict_append_variant(&dict, "WiFi.Security",
 144                                 DBUS_TYPE_STRING, &network->wifi.security);
 145
 146         if (network->wifi.passphrase != NULL &&
 147                         __connman_security_check_privilege(msg,
 148                                 CONNMAN_SECURITY_PRIVILEGE_SECRET) == 0)
 149                 connman_dbus_dict_append_variant(&dict, "WiFi.Passphrase",
 150                                 DBUS_TYPE_STRING, &network->wifi.passphrase);
 151
 152         dbus_message_iter_close_container(&array, &dict);
 153
 154         return reply;
 155 }
 156
 157 static DBusMessage *set_property(DBusConnection *conn,
 158                                         DBusMessage *msg, void *data)
 159 {
 160         struct connman_network *network = data;
 161         DBusMessageIter iter, value;
 162         const char *name;
 163         int type;
 164
 165         DBG("conn %p", conn);
 166
 167         if (dbus_message_iter_init(msg, &iter) == FALSE)
 168                 return __connman_error_invalid_arguments(msg);
 169
 170         dbus_message_iter_get_basic(&iter, &name);
 171         dbus_message_iter_next(&iter);
 172         dbus_message_iter_recurse(&iter, &value);
 173
 174         if (__connman_security_check_privilege(msg,
 175                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 176                 return __connman_error_permission_denied(msg);
 177
 178         type = dbus_message_iter_get_arg_type(&value);
 179
 180         if (g_str_equal(name, "Remember") == TRUE) {
 181                 connman_bool_t remember;
 182
 183                 if (type != DBUS_TYPE_BOOLEAN)
 184                         return __connman_error_invalid_arguments(msg);
 185
 186                 dbus_message_iter_get_basic(&value, &remember);
 187
 188                 if (network->remember == remember)
 189                         return __connman_error_invalid_arguments(msg);
 190
 191                 network->remember = remember;
 192         } else if (g_str_equal(name, "WiFi.Passphrase") == TRUE) {
 193                 const char *passphrase;
 194
 195                 if (type != DBUS_TYPE_STRING)
 196                         return __connman_error_invalid_arguments(msg);
 197
 198                 if (__connman_security_check_privilege(msg,
 199                                         CONNMAN_SECURITY_PRIVILEGE_SECRET) < 0)
 200                         return __connman_error_permission_denied(msg);
 201
 202                 dbus_message_iter_get_basic(&value, &passphrase);
 203
 204                 g_free(network->wifi.passphrase);
 205                 network->wifi.passphrase = g_strdup(passphrase);
 206         } else if (g_str_equal(name, "Priority") == TRUE) {
 207                 connman_uint8_t priority;
 208
 209                 if (type != DBUS_TYPE_BYTE)
 210                         return __connman_error_invalid_arguments(msg);
 211
 212                 dbus_message_iter_get_basic(&value, &priority);
 213
 214                 network->priority = priority;
 215         }
 216
 217         __connman_storage_save_network(network);
 218
 219         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 220 }
 221
 222 static DBusMessage *do_connect(DBusConnection *conn,
 223                                         DBusMessage *msg, void *data)
 224 {
 225         struct connman_network *network = data;
 226         int err;
 227
 228         DBG("conn %p", conn);
 229
 230         if (__connman_security_check_privilege(msg,
 231                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 232                 return __connman_error_permission_denied(msg);
 233
 234         if (network->connected == TRUE)
 235                 return __connman_error_failed(msg);
 236
 237         if (network->driver && network->driver->connect) {
 238                 enum connman_device_mode mode;
 239
 240                 mode = connman_device_get_mode(network->device);
 241                 if (mode == CONNMAN_DEVICE_MODE_NETWORK_SINGLE)
 242                         __connman_device_disconnect(network->device);
 243
 244                 err = network->driver->connect(network);
 245                 if (err < 0 && err != -EINPROGRESS)
 246                         return __connman_error_failed(msg);
 247         } else
 248                 network->connected = TRUE;
 249
 250         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 251 }
 252
 253 static DBusMessage *do_disconnect(DBusConnection *conn,
 254                                         DBusMessage *msg, void *data)
 255 {
 256         struct connman_network *network = data;
 257         int err;
 258
 259         DBG("conn %p", conn);
 260
 261         if (__connman_security_check_privilege(msg,
 262                                         CONNMAN_SECURITY_PRIVILEGE_MODIFY) < 0)
 263                 return __connman_error_permission_denied(msg);
 264
 265         if (network->connected == FALSE)
 266                 return __connman_error_failed(msg);
 267
 268         connman_element_unregister_children(&network->element);
 269
 270         connman_device_set_disconnected(network->device, TRUE);
 271
 272         if (network->driver && network->driver->disconnect) {
 273                 err = network->driver->disconnect(network);
 274                 if (err < 0 && err != -EINPROGRESS)
 275                         return __connman_error_failed(msg);
 276         } else
 277                 network->connected = FALSE;
 278
 279         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 280 }
 281
 282 static GDBusMethodTable network_methods[] = {
 283         { "GetProperties", "",   "a{sv}", get_properties },
 284         { "SetProperty",   "sv", "",      set_property   },
 285         { "Connect",       "",   "",      do_connect     },
 286         { "Disconnect",    "",   "",      do_disconnect  },
 287         { },
 288 };
 289
 290 static GDBusSignalTable network_signals[] = {
 291         { "PropertyChanged", "sv" },
 292         { },
 293 };
 294
 295 static DBusConnection *connection;
 296
 297 static void append_networks(struct connman_device *device,
 298                                                 DBusMessageIter *entry)
 299 {
 300         DBusMessageIter value, iter;
 301         const char *key = "Networks";
 302
 303         dbus_message_iter_append_basic(entry, DBUS_TYPE_STRING, &key);
 304
 305         dbus_message_iter_open_container(entry, DBUS_TYPE_VARIANT,
 306                 DBUS_TYPE_ARRAY_AS_STRING DBUS_TYPE_OBJECT_PATH_AS_STRING,
 307                                                                 &value);
 308
 309         dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
 310                                 DBUS_TYPE_OBJECT_PATH_AS_STRING, &iter);
 311         __connman_element_list((struct connman_element *) device,
 312                                         CONNMAN_ELEMENT_TYPE_NETWORK, &iter);
 313         dbus_message_iter_close_container(&value, &iter);
 314
 315         dbus_message_iter_close_container(entry, &value);
 316 }
 317
 318 static void emit_networks_signal(struct connman_device *device)
 319 {
 320         const char *path = connman_device_get_path(device);
 321         DBusMessage *signal;
 322         DBusMessageIter entry;
 323
 324         signal = dbus_message_new_signal(path,
 325                                 CONNMAN_DEVICE_INTERFACE, "PropertyChanged");
 326         if (signal == NULL)
 327                 return;
 328
 329         dbus_message_iter_init_append(signal, &entry);
 330
 331         append_networks(device, &entry);
 332
 333         g_dbus_send_message(connection, signal);
 334 }
 335
 336 static int register_interface(struct connman_element *element)
 337 {
 338         struct connman_network *network = element->network;
 339
 340         DBG("element %p name %s", element, element->name);
 341
 342         if (g_dbus_register_interface(connection, element->path,
 343                                         CONNMAN_NETWORK_INTERFACE,
 344                                         network_methods, network_signals,
 345                                         NULL, network, NULL) == FALSE) {
 346                 connman_error("Failed to register %s network", element->path);
 347                 return -EIO;
 348         }
 349
 350         network->registered = TRUE;
 351
 352         emit_networks_signal(network->device);
 353
 354         return 0;
 355 }
 356
 357 static void unregister_interface(struct connman_element *element)
 358 {
 359         struct connman_network * network = element->network;
 360
 361         DBG("element %p name %s", element, element->name);
 362
 363         network->registered = FALSE;
 364
 365         emit_networks_signal(network->device);
 366
 367         g_dbus_unregister_interface(connection, element->path,
 368                                                 CONNMAN_NETWORK_INTERFACE);
 369 }
 370
 371 connman_bool_t __connman_network_has_driver(struct connman_network *network)
 372 {
 373         if (network == NULL || network->driver == NULL)
 374                 return FALSE;
 375
 376         return network->registered;
 377 }
 378
 379 static GSList *driver_list = NULL;
 380
 381 static gint compare_priority(gconstpointer a, gconstpointer b)
 382 {
 383         const struct connman_network_driver *driver1 = a;
 384         const struct connman_network_driver *driver2 = b;
 385
 386         return driver2->priority - driver1->priority;
 387 }
 388
 389 /**
 390  * connman_network_driver_register:
 391  * @driver: network driver definition
 392  *
 393  * Register a new network driver
 394  *
 395  * Returns: %0 on success
 396  */
 397 int connman_network_driver_register(struct connman_network_driver *driver)
 398 {
 399         DBG("driver %p name %s", driver, driver->name);
 400
 401         driver_list = g_slist_insert_sorted(driver_list, driver,
 402                                                         compare_priority);
 403
 404         return 0;
 405 }
 406
 407 /**
 408  * connman_network_driver_unregister:
 409  * @driver: network driver definition
 410  *
 411  * Remove a previously registered network driver
 412  */
 413 void connman_network_driver_unregister(struct connman_network_driver *driver)
 414 {
 415         DBG("driver %p name %s", driver, driver->name);
 416
 417         driver_list = g_slist_remove(driver_list, driver);
 418 }
 419
 420 static void network_destruct(struct connman_element *element)
 421 {
 422         struct connman_network *network = element->network;
 423
 424         DBG("element %p name %s", element, element->name);
 425
 426         g_free(network->wifi.ssid);
 427         g_free(network->wifi.mode);
 428         g_free(network->wifi.security);
 429         g_free(network->wifi.passphrase);
 430
 431         g_free(network->node);
 432         g_free(network->name);
 433         g_free(network->identifier);
 434 }
 435
 436 /**
 437  * connman_network_create:
 438  * @identifier: network identifier (for example an unqiue name)
 439  *
 440  * Allocate a new network and assign the #identifier to it.
 441  *
 442  * Returns: a newly-allocated #connman_network structure
 443  */
 444 struct connman_network *connman_network_create(const char *identifier,
 445                                                 enum connman_network_type type)
 446 {
 447         struct connman_network *network;
 448         connman_uint8_t strength = 0;
 449         const char *str;
 450         char *temp;
 451         unsigned int i;
 452
 453         DBG("identifier %s type %d", identifier, type);
 454
 455         network = g_try_new0(struct connman_network, 1);
 456         if (network == NULL)
 457                 return NULL;
 458
 459         DBG("network %p", network);
 460
 461         __connman_element_initialize(&network->element);
 462
 463         temp = g_strdup(identifier);
 464         if (temp == NULL) {
 465                 g_free(network);
 466                 return NULL;
 467         }
 468
 469         for (i = 0; i < strlen(temp); i++) {
 470                 char tmp = temp[i];
 471                 if ((tmp < '0' || tmp > '9') && (tmp < 'A' || tmp > 'Z') &&
 472                                                 (tmp < 'a' || tmp > 'z'))
 473                         temp[i] = '_';
 474         }
 475
 476         network->element.name = temp;
 477         network->element.type = CONNMAN_ELEMENT_TYPE_NETWORK;
 478
 479         network->element.network = network;
 480         network->element.destruct = network_destruct;
 481
 482         str = type2string(type);
 483         if (str != NULL)
 484                 connman_element_set_static_property(&network->element,
 485                                         "Type", DBUS_TYPE_STRING, &str);
 486
 487         connman_element_set_static_property(&network->element,
 488                                         "Strength", DBUS_TYPE_BYTE, &strength);
 489
 490         network->type = type;
 491         network->identifier = g_strdup(identifier);
 492
 493         return network;
 494 }
 495
 496 /**
 497  * connman_network_ref:
 498  * @network: network structure
 499  *
 500  * Increase reference counter of  network
 501  */
 502 struct connman_network *connman_network_ref(struct connman_network *network)
 503 {
 504         if (connman_element_ref(&network->element) == NULL)
 505                 return NULL;
 506
 507         return network;
 508 }
 509
 510 /**
 511  * connman_network_unref:
 512  * @network: network structure
 513  *
 514  * Decrease reference counter of network
 515  */
 516 void connman_network_unref(struct connman_network *network)
 517 {
 518         connman_element_unref(&network->element);
 519 }
 520
 521 /**
 522  * connman_network_get_identifier:
 523  * @network: network structure
 524  *
 525  * Get identifier of network
 526  */
 527 const char *connman_network_get_identifier(struct connman_network *network)
 528 {
 529         return network->identifier;
 530 }
 531
 532 /**
 533  * connman_network_get_path:
 534  * @network: network structure
 535  *
 536  * Get path name of network
 537  */
 538 const char *connman_network_get_path(struct connman_network *network)
 539 {
 540         return network->element.path;
 541 }
 542
 543 /**
 544  * connman_network_set_index:
 545  * @network: network structure
 546  * @index: index number
 547  *
 548  * Set index number of network
 549  */
 550 void connman_network_set_index(struct connman_network *network, int index)
 551 {
 552         network->element.index = index;
 553 }
 554
 555 /**
 556  * connman_network_get_index:
 557  * @network: network structure
 558  *
 559  * Get index number of network
 560  */
 561 int connman_network_get_index(struct connman_network *network)
 562 {
 563         return network->element.index;
 564 }
 565
 566 /**
 567  * connman_network_set_protocol:
 568  * @network: network structure
 569  * @protocol: network protocol
 570  *
 571  * Change protocol of network
 572  */
 573 void connman_network_set_protocol(struct connman_network *network,
 574                                         enum connman_network_protocol protocol)
 575 {
 576         network->protocol = protocol;
 577 }
 578
 579 /**
 580  * connman_network_set_available:
 581  * @network: network structure
 582  * @available: availability state
 583  *
 584  * Change availability state of network (in range)
 585  */
 586 int connman_network_set_available(struct connman_network *network,
 587                                                 connman_bool_t available)
 588 {
 589         DBusMessage *signal;
 590         DBusMessageIter entry, value;
 591         const char *key = "Available";
 592
 593         DBG("network %p available %d", network, available);
 594
 595         if (network->available == available)
 596                 return -EALREADY;
 597
 598         network->available = available;
 599
 600         if (network->registered == FALSE)
 601                 return 0;
 602
 603         if (network->connected == TRUE)
 604                 return 0;
 605
 606         if (network->remember == FALSE)
 607                 return 0;
 608
 609         signal = dbus_message_new_signal(network->element.path,
 610                                 CONNMAN_NETWORK_INTERFACE, "PropertyChanged");
 611         if (signal == NULL)
 612                 return 0;
 613
 614         dbus_message_iter_init_append(signal, &entry);
 615
 616         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 617
 618         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 619                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 620         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &available);
 621         dbus_message_iter_close_container(&entry, &value);
 622
 623         g_dbus_send_message(connection, signal);
 624
 625         return 0;
 626 }
 627
 628 /**
 629  * connman_network_get_available:
 630  * @network: network structure
 631  *
 632  * Get network available setting
 633  */
 634 connman_bool_t connman_network_get_available(struct connman_network *network)
 635 {
 636         return network->available;
 637 }
 638
 639 static gboolean set_connected(gpointer user_data)
 640 {
 641         struct connman_network *network = user_data;
 642
 643         if (network->connected == TRUE) {
 644                 struct connman_element *element;
 645                 enum connman_element_type type = CONNMAN_ELEMENT_TYPE_UNKNOWN;
 646
 647                 switch (network->protocol) {
 648                 case CONNMAN_NETWORK_PROTOCOL_UNKNOWN:
 649                         return 0;
 650                 case CONNMAN_NETWORK_PROTOCOL_IP:
 651                         type = CONNMAN_ELEMENT_TYPE_DHCP;
 652                         break;
 653                 case CONNMAN_NETWORK_PROTOCOL_PPP:
 654                         type = CONNMAN_ELEMENT_TYPE_PPP;
 655                         break;
 656                 }
 657
 658                 __connman_device_increase_connections(network->device);
 659
 660                 __connman_device_set_network(network->device, network);
 661
 662                 connman_device_set_disconnected(network->device, FALSE);
 663
 664                 element = connman_element_create(NULL);
 665                 if (element != NULL) {
 666                         element->type  = type;
 667                         element->index = network->element.index;
 668
 669                         if (connman_element_register(element,
 670                                                 &network->element) < 0)
 671                                 connman_element_unref(element);
 672                 }
 673         } else {
 674                 connman_element_unregister_children(&network->element);
 675
 676                 __connman_device_set_network(network->device, NULL);
 677
 678                 __connman_device_decrease_connections(network->device);
 679         }
 680
 681         return FALSE;
 682 }
 683
 684 /**
 685  * connman_network_set_connected:
 686  * @network: network structure
 687  * @connected: connected state
 688  *
 689  * Change connected state of network
 690  */
 691 int connman_network_set_connected(struct connman_network *network,
 692                                                 connman_bool_t connected)
 693 {
 694         DBusMessage *signal;
 695         DBusMessageIter entry, value;
 696         const char *key = "Connected";
 697
 698         DBG("network %p connected %d", network, connected);
 699
 700         if (network->connected == connected)
 701                 return -EALREADY;
 702
 703         network->connected = connected;
 704
 705         if (network->registered == FALSE)
 706                 set_connected(network);
 707
 708         signal = dbus_message_new_signal(network->element.path,
 709                                 CONNMAN_NETWORK_INTERFACE, "PropertyChanged");
 710         if (signal == NULL)
 711                 return 0;
 712
 713         dbus_message_iter_init_append(signal, &entry);
 714
 715         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 716
 717         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 718                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 719         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &connected);
 720         dbus_message_iter_close_container(&entry, &value);
 721
 722         g_dbus_send_message(connection, signal);
 723
 724         set_connected(network);
 725
 726         return 0;
 727 }
 728
 729 /**
 730  * connman_network_get_connected:
 731  * @network: network structure
 732  *
 733  * Get network connection status
 734  */
 735 connman_bool_t connman_network_get_connected(struct connman_network *network)
 736 {
 737         return network->connected;
 738 }
 739
 740 /**
 741  * connman_network_set_remember:
 742  * @network: network structure
 743  * @remember: remember state
 744  *
 745  * Change remember state of network (known networks)
 746  */
 747 int connman_network_set_remember(struct connman_network *network,
 748                                                 connman_bool_t remember)
 749 {
 750         DBusMessage *signal;
 751         DBusMessageIter entry, value;
 752         const char *key = "Remember";
 753
 754         DBG("network %p remember %d", network, remember);
 755
 756         if (network->remember == remember)
 757                 return -EALREADY;
 758
 759         network->remember = remember;
 760
 761         if (network->registered == FALSE)
 762                 return 0;
 763
 764         signal = dbus_message_new_signal(network->element.path,
 765                                 CONNMAN_NETWORK_INTERFACE, "PropertyChanged");
 766         if (signal == NULL)
 767                 return 0;
 768
 769         dbus_message_iter_init_append(signal, &entry);
 770
 771         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 772
 773         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 774                                         DBUS_TYPE_BOOLEAN_AS_STRING, &value);
 775         dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &remember);
 776         dbus_message_iter_close_container(&entry, &value);
 777
 778         g_dbus_send_message(connection, signal);
 779
 780         return 0;
 781 }
 782
 783 /**
 784  * connman_network_get_remember:
 785  * @network: network structure
 786  *
 787  * Get network remember setting
 788  */
 789 connman_bool_t connman_network_get_remember(struct connman_network *network)
 790 {
 791         return network->remember;
 792 }
 793
 794 /**
 795  * connman_network_connect:
 796  * @network: network structure
 797  *
 798  * Connect network
 799  */
 800 int connman_network_connect(struct connman_network *network)
 801 {
 802         if (network->connected == TRUE)
 803                 return -EALREADY;
 804
 805         if (network->driver && network->driver->connect)
 806                 return network->driver->connect(network);
 807
 808         network->connected = TRUE;
 809
 810         return 0;
 811 }
 812
 813 int __connman_network_disconnect(struct connman_network *network)
 814 {
 815         if (network->connected == FALSE)
 816                 return -ENOTCONN;
 817
 818         if (network->driver && network->driver->disconnect)
 819                 return network->driver->disconnect(network);
 820
 821         network->connected = FALSE;
 822
 823         return 0;
 824 }
 825
 826 /**
 827  * connman_network_set_string:
 828  * @network: network structure
 829  * @key: unique identifier
 830  * @value: string value
 831  *
 832  * Set string value for specific key
 833  */
 834 int connman_network_set_string(struct connman_network *network,
 835                                         const char *key, const char *value)
 836 {
 837         DBG("network %p key %s value %s", network, key, value);
 838
 839         if (g_str_equal(key, "Name") == TRUE) {
 840                 g_free(network->name);
 841                 network->name = g_strdup(value);
 842         } else if (g_str_equal(key, "Node") == TRUE) {
 843                 g_free(network->node);
 844                 network->node = g_strdup(value);
 845         } else if (g_str_equal(key, "WiFi.Mode") == TRUE) {
 846                 g_free(network->wifi.mode);
 847                 network->wifi.mode = g_strdup(value);
 848         } else if (g_str_equal(key, "WiFi.Security") == TRUE) {
 849                 g_free(network->wifi.security);
 850                 network->wifi.security = g_strdup(value);
 851         } else if (g_str_equal(key, "WiFi.Passphrase") == TRUE) {
 852                 g_free(network->wifi.passphrase);
 853                 network->wifi.passphrase = g_strdup(value);
 854         }
 855
 856         return 0;
 857 }
 858
 859 /**
 860  * connman_network_get_string:
 861  * @network: network structure
 862  * @key: unique identifier
 863  *
 864  * Get string value for specific key
 865  */
 866 const char *connman_network_get_string(struct connman_network *network,
 867                                                         const char *key)
 868 {
 869         DBG("network %p key %s", network, key);
 870
 871         if (g_str_equal(key, "Name") == TRUE)
 872                 return network->name;
 873         else if (g_str_equal(key, "Node") == TRUE)
 874                 return network->node;
 875         else if (g_str_equal(key, "WiFi.Mode") == TRUE)
 876                 return network->wifi.mode;
 877         else if (g_str_equal(key, "WiFi.Security") == TRUE)
 878                 return network->wifi.security;
 879         else if (g_str_equal(key, "WiFi.Passphrase") == TRUE)
 880                 return network->wifi.passphrase;
 881
 882         return NULL;
 883 }
 884
 885 /**
 886  * connman_network_set_uint8:
 887  * @network: network structure
 888  * @key: unique identifier
 889  * @value: integer value
 890  *
 891  * Set integer value for specific key
 892  */
 893 int connman_network_set_uint8(struct connman_network *network,
 894                                         const char *key, connman_uint8_t value)
 895 {
 896         DBG("network %p key %s value %d", network, key, value);
 897
 898         if (g_str_equal(key, "Priority") == TRUE)
 899                 network->priority = value;
 900         else if (g_str_equal(key, "Strength") == TRUE) {
 901                 network->strength = value;
 902                 connman_element_set_static_property(&network->element,
 903                                         "Strength", DBUS_TYPE_BYTE, &value);
 904         }
 905
 906         return 0;
 907 }
 908
 909 /**
 910  * connman_network_get_uint8:
 911  * @network: network structure
 912  * @key: unique identifier
 913  *
 914  * Get integer value for specific key
 915  */
 916 connman_uint8_t connman_network_get_uint8(struct connman_network *network,
 917                                                         const char *key)
 918 {
 919         DBG("network %p key %s", network, key);
 920
 921         if (g_str_equal(key, "Priority") == TRUE)
 922                 return network->priority;
 923         else if (g_str_equal(key, "Strength") == TRUE)
 924                 return network->strength;
 925
 926         return 0;
 927 }
 928
 929 /**
 930  * connman_network_set_blob:
 931  * @network: network structure
 932  * @key: unique identifier
 933  * @data: blob data
 934  * @size: blob size
 935  *
 936  * Set binary blob value for specific key
 937  */
 938 int connman_network_set_blob(struct connman_network *network,
 939                         const char *key, const void *data, unsigned int size)
 940 {
 941         DBG("network %p key %s size %d", network, key, size);
 942
 943         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
 944                 g_free(network->wifi.ssid);
 945                 network->wifi.ssid = g_try_malloc(size);
 946                 if (network->wifi.ssid != NULL) {
 947                         memcpy(network->wifi.ssid, data, size);
 948                         network->wifi.ssid_len = size;
 949                 } else
 950                         network->wifi.ssid_len = 0;
 951         }
 952
 953         return 0;
 954 }
 955
 956 /**
 957  * connman_network_get_blob:
 958  * @network: network structure
 959  * @key: unique identifier
 960  * @size: pointer to blob size
 961  *
 962  * Get binary blob value for specific key
 963  */
 964 const void *connman_network_get_blob(struct connman_network *network,
 965                                         const char *key, unsigned int *size)
 966 {
 967         DBG("network %p key %s", network, key);
 968
 969         if (g_str_equal(key, "WiFi.SSID") == TRUE) {
 970                 if (size != NULL)
 971                         *size = network->wifi.ssid_len;
 972                 return network->wifi.ssid;
 973         }
 974
 975         return NULL;
 976 }
 977
 978 void __connman_network_set_device(struct connman_network *network,
 979                                         struct connman_device *device)
 980 {
 981         network->device = device;
 982 }
 983
 984 /**
 985  * connman_network_get_device:
 986  * @network: network structure
 987  *
 988  * Get parent device of network
 989  */
 990 struct connman_device *connman_network_get_device(struct connman_network *network)
 991 {
 992         return network->device;
 993 }
 994
 995 /**
 996  * connman_network_get_data:
 997  * @network: network structure
 998  *
 999  * Get private network data pointer
1000  */
1001 void *connman_network_get_data(struct connman_network *network)
1002 {
1003         return network->driver_data;
1004 }
1005
1006 /**
1007  * connman_network_set_data:
1008  * @network: network structure
1009  * @data: data pointer
1010  *
1011  * Set private network data pointer
1012  */
1013 void connman_network_set_data(struct connman_network *network, void *data)
1014 {
1015         network->driver_data = data;
1016 }
1017
1018 static gboolean match_driver(struct connman_network *network,
1019                                         struct connman_network_driver *driver)
1020 {
1021         if (network->type == driver->type ||
1022                         driver->type == CONNMAN_NETWORK_TYPE_UNKNOWN)
1023                 return TRUE;
1024
1025         return FALSE;
1026 }
1027
1028 static int network_probe(struct connman_element *element)
1029 {
1030         struct connman_network *network = element->network;
1031         GSList *list;
1032         int err;
1033
1034         DBG("element %p name %s", element, element->name);
1035
1036         if (network == NULL)
1037                 return -ENODEV;
1038
1039         for (list = driver_list; list; list = list->next) {
1040                 struct connman_network_driver *driver = list->data;
1041
1042                 if (match_driver(network, driver) == FALSE)
1043                         continue;
1044
1045                 DBG("driver %p name %s", driver, driver->name);
1046
1047                 if (driver->probe(network) == 0) {
1048                         network->driver = driver;
1049                         break;
1050                 }
1051         }
1052
1053         if (network->driver == NULL)
1054                 return -ENODEV;
1055
1056         err = register_interface(element);
1057         if (err < 0) {
1058                 if (network->driver->remove)
1059                         network->driver->remove(network);
1060                 return err;
1061         }
1062
1063         return 0;
1064 }
1065
1066 static void network_remove(struct connman_element *element)
1067 {
1068         struct connman_network *network = element->network;
1069
1070         DBG("element %p name %s", element, element->name);
1071
1072         if (network == NULL)
1073                 return;
1074
1075         if (network->driver == NULL)
1076                 return;
1077
1078         unregister_interface(element);
1079
1080         if (network->driver->remove)
1081                 network->driver->remove(network);
1082 }
1083
1084 static struct connman_driver network_driver = {
1085         .name           = "network",
1086         .type           = CONNMAN_ELEMENT_TYPE_NETWORK,
1087         .priority       = CONNMAN_DRIVER_PRIORITY_LOW,
1088         .probe          = network_probe,
1089         .remove         = network_remove,
1090 };
1091
1092 static int network_init(struct connman_device *device)
1093 {
1094         DBG("device %p", device);
1095
1096         return 0;
1097 }
1098
1099 static int network_load(struct connman_network *network)
1100 {
1101         GKeyFile *keyfile;
1102         gchar *pathname, *data = NULL;
1103         gsize length;
1104         const char *name;
1105         int val;
1106
1107         DBG("network %p", network);
1108
1109         name = connman_device_get_name(network->device);
1110         if (name == NULL)
1111                 return -EINVAL;
1112
1113         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR, name);
1114         if (pathname == NULL)
1115                 return -ENOMEM;
1116
1117         keyfile = g_key_file_new();
1118
1119         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE) {
1120                 g_free(pathname);
1121                 return -ENOENT;
1122         }
1123
1124         g_free(pathname);
1125
1126         if (g_key_file_load_from_data(keyfile, data, length,
1127                                                         0, NULL) == FALSE) {
1128                 g_free(data);
1129                 return -EILSEQ;
1130         }
1131
1132         g_free(data);
1133
1134         network->remember = g_key_file_get_boolean(keyfile,
1135                                         network->identifier, "Remember", NULL);
1136
1137         val = g_key_file_get_integer(keyfile, network->identifier,
1138                                                         "Priority", NULL);
1139         if (val > 0)
1140                 network->priority = val;
1141
1142         g_free(network->wifi.security);
1143         network->wifi.security = g_key_file_get_string(keyfile,
1144                                 network->identifier, "WiFi.Security", NULL);
1145
1146         g_free(network->wifi.passphrase);
1147         network->wifi.passphrase = g_key_file_get_string(keyfile,
1148                                 network->identifier, "WiFi.Passphrase", NULL);
1149
1150         g_key_file_free(keyfile);
1151
1152         return 0;
1153 }
1154
1155 static int network_save(struct connman_network *network)
1156 {
1157         GKeyFile *keyfile;
1158         gchar *pathname, *data = NULL;
1159         gsize length;
1160         const char *name;
1161
1162         DBG("network %p", network);
1163
1164         name = connman_device_get_name(network->device);
1165         if (name == NULL)
1166                 return -EINVAL;
1167
1168         pathname = g_strdup_printf("%s/%s.conf", STORAGEDIR, name);
1169         if (pathname == NULL)
1170                 return -ENOMEM;
1171
1172         keyfile = g_key_file_new();
1173
1174         if (g_file_get_contents(pathname, &data, &length, NULL) == FALSE)
1175                 goto update;
1176
1177         if (length > 0) {
1178                 if (g_key_file_load_from_data(keyfile, data, length,
1179                                                         0, NULL) == FALSE)
1180                         goto done;
1181         }
1182
1183         g_free(data);
1184
1185 update:
1186         g_key_file_set_boolean(keyfile, network->identifier,
1187                                         "Remember", network->remember);
1188
1189         if (network->priority > 0)
1190                 g_key_file_set_integer(keyfile, network->identifier,
1191                                                 "Priority", network->priority);
1192
1193         if (network->remember == TRUE || network->connected == TRUE) {
1194                 if (network->wifi.security != NULL)
1195                         g_key_file_set_string(keyfile, network->identifier,
1196                                 "WiFi.Security", network->wifi.security);
1197
1198                 if (network->wifi.passphrase != NULL)
1199                         g_key_file_set_string(keyfile, network->identifier,
1200                                 "WiFi.Passphrase", network->wifi.passphrase);
1201         }
1202
1203         data = g_key_file_to_data(keyfile, &length, NULL);
1204
1205         g_file_set_contents(pathname, data, length, NULL);
1206
1207 done:
1208         g_free(data);
1209
1210         g_key_file_free(keyfile);
1211
1212         g_free(pathname);
1213
1214         return 0;
1215 }
1216
1217 static struct connman_storage network_storage = {
1218         .name           = "network",
1219         .priority       = CONNMAN_STORAGE_PRIORITY_LOW,
1220         .network_init   = network_init,
1221         .network_load   = network_load,
1222         .network_save   = network_save,
1223 };
1224
1225 int __connman_network_init(void)
1226 {
1227         DBG("");
1228
1229         connection = connman_dbus_get_connection();
1230
1231         if (connman_storage_register(&network_storage) < 0)
1232                 connman_error("Failed to register network storage");
1233
1234         return connman_driver_register(&network_driver);
1235 }
1236
1237 void __connman_network_cleanup(void)
1238 {
1239         DBG("");
1240
1241         connman_driver_unregister(&network_driver);
1242
1243         connman_storage_unregister(&network_storage);
1244
1245         dbus_connection_unref(connection);
1246 }